@article{paperid:1018460,
author = {S.S. Dragomir and M. Khosravi and Sal Moslehian, Mohammad},
title = {Bessel-type inequalities in Hilbert C*-modules},
journal = {Linear and Multilinear Algebra},
year = {2010},
volume = {58},
number = {3},
month = {October},
issn = {0308-1087},
pages = {323--331},
			numpages = {8},
keywords = {Bessel inequality; Boas–Bellman inequality; Hilbert
C*-module; C*-algebra},
}